How many movies have Peter Lerchbaumer and Sigi Rothemund collaborated on?

They have worked on 5 movies together! Their first movie together was Schachmatt (2005) while their highest rated movie together was Ein Fall für den Fuchs - Das Spiel ist aus (2006). They have not worked together since Engel der Gerechtigkeit - Kopfgeld (2013). They are most known for their comedy films together.